processor.h (f9cd49033b349b8be3bb1f01b39eed837853d880) processor.h (2319295dd8dbd076afa136bffb797ef726b605a0)
1/*
2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2008-2009 PetaLogix
4 * Copyright (C) 2006 Atmark Techno, Inc.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.

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26
27#define task_pt_regs(tsk) \
28 (((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)
29
30/* Do necessary setup to start up a newly executed thread. */
31void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp);
32
33extern void ret_from_fork(void);
1/*
2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2008-2009 PetaLogix
4 * Copyright (C) 2006 Atmark Techno, Inc.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.

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26
27#define task_pt_regs(tsk) \
28 (((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)
29
30/* Do necessary setup to start up a newly executed thread. */
31void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp);
32
33extern void ret_from_fork(void);
34extern void ret_from_kernel_thread(void);
34
35# endif /* __ASSEMBLY__ */
36
37# ifndef CONFIG_MMU
38/*
39 * User space process size: memory size
40 *
41 * TASK_SIZE on MMU cpu is usually 1GB. However, on no-MMU arch, both

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73static inline void exit_thread(void)
74{
75}
76
77extern unsigned long thread_saved_pc(struct task_struct *t);
78
79extern unsigned long get_wchan(struct task_struct *p);
80
35
36# endif /* __ASSEMBLY__ */
37
38# ifndef CONFIG_MMU
39/*
40 * User space process size: memory size
41 *
42 * TASK_SIZE on MMU cpu is usually 1GB. However, on no-MMU arch, both

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74static inline void exit_thread(void)
75{
76}
77
78extern unsigned long thread_saved_pc(struct task_struct *t);
79
80extern unsigned long get_wchan(struct task_struct *p);
81
81/*
82 * create a kernel thread without removing it from tasklists
83 */
84extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
85
86# define KSTK_EIP(tsk) (0)
87# define KSTK_ESP(tsk) (0)
88
89# else /* CONFIG_MMU */
90
91/*
92 * This is used to define STACK_TOP, and with MMU it must be below
93 * kernel base to select the correct PGD when handling MMU exceptions.

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126 .pgdir = swapper_pg_dir, \
127}
128
129/* Free all resources held by a thread. */
130extern inline void release_thread(struct task_struct *dead_task)
131{
132}
133
82# define KSTK_EIP(tsk) (0)
83# define KSTK_ESP(tsk) (0)
84
85# else /* CONFIG_MMU */
86
87/*
88 * This is used to define STACK_TOP, and with MMU it must be below
89 * kernel base to select the correct PGD when handling MMU exceptions.

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122 .pgdir = swapper_pg_dir, \
123}
124
125/* Free all resources held by a thread. */
126extern inline void release_thread(struct task_struct *dead_task)
127{
128}
129
134extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
135
136/* Free current thread data structures etc. */
137static inline void exit_thread(void)
138{
139}
140
141/* Return saved (kernel) PC of a blocked thread. */
142# define thread_saved_pc(tsk) \
143 ((tsk)->thread.regs ? (tsk)->thread.regs->r15 : 0)

--- 36 unchanged lines hidden --- 		130/* Free current thread data structures etc. */
131static inline void exit_thread(void)
132{
133}
134
135/* Return saved (kernel) PC of a blocked thread. */
136# define thread_saved_pc(tsk) \
137 ((tsk)->thread.regs ? (tsk)->thread.regs->r15 : 0)

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